SOLUTION: Please answer this question, Thanks. Find y if y�2-20=380 or in other words: find y if y squared minus 20 equals 380 Thanks(:

Question 464850: Please answer this question, Thanks.
Find y if y�2-20=380
or in other words: find y if y squared minus 20 equals 380
Thanks(:
Found 2 solutions by stanbon, Alan3354:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Find y if y�2-20=380
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Subtract 380 from both sides to get:
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y^2 - 400 = 0
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Factor:
(y-20)(y+20) = 0
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y = 20 or y = -20
==================================
Cheers,
Stan H.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Find y if
y�2-20=380
-----------
Add 20

y = 20
y = -20

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